Reliable Carbon Steel Pipe China Manufacturer & Supplier
At Baokun, we manufacture and supply high-quality seamless type carbon steel pipes. Whether you need standard pipes or custom-made options, we provide competitive pricing and fast delivery to support your business operations efficiently.
- Seamless Manufacturing: Precision-made for strength and reliability.
- International Standards: Meets global quality standards for consistent performance.
- Customizable: Tailored sizes and specifications to meet specific needs.
- Wide Size Range: Available in various sizes for diverse applications.
- Fast Shipping: Quick dispatch from extensive stock.
- Custom Packaging: Packaged as per customer requirements.
BAOKUN Carbon Steel Pipe Series
Our carbon steel seamless pipes are manufactured in accordance with international standards, including ASTM, ASME, and API for the U.S., EN for Europe, JIS for Japan, and DIN for Germany. This guarantees that our products meet the highest quality and performance standards in global markets.
At Baokun, we are dedicated to providing high quality products and exceptional service. With our in-stock pipes, we can ensure fast delivery to meet customer demands. We also provide customization options, allowing for adjustments to carbon steel pipe dimensions such as length, diameter, and wall thickness, ensuring suitability for various applications.
Carbon steel pipes are highly durable, resistant to shocks, and can withstand harsh environmental conditions like pressure and extreme weather, making them perfect for structural uses.
Due to its exceptional strength, carbon steel allows for thinner pipes that still handle large volumes, reducing material use and lowering overall costs.
Carbon steel is recyclable, offering a sustainable solution that not only saves on costs but also contributes to environmental conservation.
Carbon steel pipe allows for easy customization to meet specific project needs. It can be effortlessly welded, cut, and shaped, making it an ideal choice for applications that require tailored piping solutions.
Why Choose Baokun For Custom Carbon Steel Pipes ?
BAOKUN is your trusted carbon steel pipe exporter. We porvide high-quality pipes that meet international standards for strength and durability. Our seamless pipes are available in a variety of sizes and can be customized to suit different industrial applications. We provide competitive pricing, reliable delivery, and ensure strict quality control to meet your specific requirements.
Applications of Carbon Steel Pipe
Mild Carbon Steel Pipe
Mild carbon steel pipes are made from low-carbon steel, offering good weldability, machinability, and resistance to corrosion. They are commonly used in construction, automotive, and general engineering applications for transporting water, gas, and other fluids.
High Carbon Steel Pipe
High carbon steel pipes are made with a higher carbon content, providing greater strength and hardness. These pipes are used in heavy-duty applications such as manufacturing machinery, automotive parts, and structural components requiring high wear resistance.
Seamless Carbon Steel Pipe
Seamless pipes are formed without welding, offering better pressure resistance and uniformity. They are widely used in high-pressure and high-temperature applications like oil and gas pipelines, boilers, and chemical processing industries.
Galvanised Carbon Steel Pipe
Galvanised carbon steel pipes are coated with a layer of zinc to enhance corrosion resistance. These pipes are ideal for outdoor applications, such as in water supply systems, irrigation, and HVAC systems, where they are exposed to moisture and environmental elements.
More Information
Guide to Carbon Steel Pipes for Industry Applications
Carbon steel pipes are essential in industries where strength, durability, and reliability are non-negotiable. Seamless pipes are manufactured from a single solid billet, eliminating seams that could become weak points.
This construction makes carbon steel seamless pipes ideal for high-pressure, high-temperature, and corrosive environments. Industries such as oil and gas, power generation, chemical processing, and construction rely heavily on these pipes.
Grades and Standards
| Category | Specification / Details |
|---|---|
| Standard | ASTM: A36, A53, A134, A252, A333, A500, A106ASME: SA53, SA106EN: 10216, 10255, 10208API: 5L, 5CTJIS: G3461, 3452, 2454, 3455, 3456GB/T: 3087, 5310, 8163, 9711DIN: 17175, 2391, 17100, 1626, 11850, 2458, 1652, 17175, 2394 |
| Grades | Low Carbon Steel: A36, C1006–C1010Medium Carbon Steel: C1045High Carbon Steel: C1060–C1095 |
| Type | Seamless |
| Coating | Powder, Oil, Zinc, or as required |
| Outer Diameter | 2 mm – 1219 mm |
| Wall Thickness | 0.1 mm – 30 mm |
| Length | 1 m, 4 m, 6 m, 8 m, 9 m, 12 m (in stock or custom-made) |
Manufacturing Process
| Step | Process Description |
|---|---|
| 1. Raw Material Preparation | Select billets or steel coils; heat to make the material malleable |
| 2. Pipe Formation | Pierce and elongate the heated billet to form a hollow pipe |
| 3. Sizing and Stretching | Pass the pipe through sizing mills to adjust diameter and wall thickness |
| 4. Heat Treatment | Annealing or normalizing to improve mechanical properties |
| 5. Surface Finishing | Clean to remove oxidation or scale; apply zinc, powder, or oil coating for protection |
| 6. Testing and Inspection | Conduct visual inspection, non-destructive testing (NDT), and pressure testing |
| 7. Cutting and Marking | Cut pipes to required lengths; mark with specifications and manufacturer details |
| 8. Packaging and Shipping | Bundle and prepare pipes for transport |
This process ensures a uniform wall thickness, smooth internal surface, and high structural integrity, which is critical for industrial applications.
Benefits of Using High Quality Pipes
- Superior Strength – Can withstand high pressure and mechanical stress.
- Durability and Long Service Life – Resistant to wear, reducing replacement frequency.
- Corrosion Resistance – Coatings or alloying improve longevity in harsh environments.
- Precision Manufacturing – Accurate dimensions and smooth surfaces for easy installation.
- High-Temperature and Pressure Resistance – Performs reliably under extreme conditions.
- Reduced Operational Risk – Minimizes failures, protecting equipment and personnel.
- Low Maintenance Requirements – Less frequent repairs save time and cost.
- Cost-Effective in Long Term – Higher initial quality reduces total ownership cost.
- Enhanced Efficiency – Smooth internal surfaces improve flow efficiency in piping systems.
How to Choose the Right Carbon Steel Pipe
Start by identifying the application: high-pressure pipelines, chemical processing, structural support, or steam lines. This determines the appropriate grade: low carbon steel for general use, medium carbon steel for higher strength needs, or high carbon steel for heavy-duty applications.
Decide between seamless and welded pipes—seamless pipes offer uniform wall thickness and higher pressure resistance, ideal for critical operations, while welded pipes are suitable for non-critical or low-pressure use.
Check diameter, wall thickness, and length to match flow, pressure, and structural requirements. Ensure compliance with ASTM, ASME, API, EN, or JIS standards. For corrosive environments, consider coated or alloyed pipes. Finally, verify quality certifications for reliability and long-term performance.
Maintenance Tips
- Proper maintenance ensures long-term performance:
- Conduct regular inspections for corrosion, cracks, or mechanical damage.
- Apply protective coatings for harsh environments.
- Store pipes in dry, clean areas to avoid rust.
- Clean internal surfaces to prevent debris accumulation.
FAQs
1. What is Mild Steel Pipe?
Mild steel pipe is a type of carbon steel with low carbon content, typically around 0.05% to 0.25%. This low carbon level makes the pipe easier to weld, shape, and machine while still offering strength and durability. Mild steel pipes are commonly used in construction, plumbing, and general manufacturing due to their affordability and versatility.
2. Why Do You Bevel Carbon Steel Pipe?
Beveling carbon steel pipe involves angling the pipe ends to create a clean, beveled edge that facilitates optimal welding. This process is vital for ensuring that the weld penetrates deeply and uniformly, resulting in a strong, durable connection.
By creating a precise angle, pipe beveling allows the heat and filler material to bond more effectively, enhancing the overall integrity of the weld.
Additionally, beveling removes sharp edges and burrs, reducing the risk of injury and providing a smoother, more professional finish.
This step ultimately improves both the safety and strength of the final product.
3. What is the Temperature Range for Carbon Steel?
The temperature range for carbon steel typically depends on its specific grade and carbon content. However, in general:
- Low Carbon Steel: Can withstand temperatures up to around 400°F (204°C) without losing its mechanical properties.
- Medium Carbon Steel: Can handle temperatures up to approximately 700°F (371°C) before experiencing reduced strength and hardness.
- High Carbon Steel: While it can resist temperatures up to 1,200°F (649°C), prolonged exposure to high temperatures can cause it to become brittle.
For higher temperature resistance, carbon steel can be heat-treated or alloyed with other elements. It should be carefully selected based on the application to maintain performance and avoid failure.
4. What is the material grade for carbon steel pipe?
Carbon steel pipes are classified based on their material grades, which are determined by their chemical composition and mechanical properties. The most common specifications for carbon steel pipes include:
ASTM A106: This standard covers seamless carbon steel pipes for high-temperature service, available in Grades A, B, and C. Grade B is widely used due to its strength and ability to withstand high pressures and temperatures
ASTM A53: This specification includes both welded and seamless pipes, typically available in Grades A and B. It is commonly used for structural purposes and general applications
API 5L: This standard is specifically for line pipes used in the oil and gas industry, with grades including B, X42, X52, X65, and X70. These grades are designed for various pressure levels and environmental conditions
5.What is Black Steel Pipe Used For?
Black steel pipe is commonly used in gas lines for transporting natural gas and propane, as it can handle high pressure and prevent leaks. Additionally, black steel pipe is used in water supply systems, both residential and industrial, providing durability for transporting water over long distances.
In construction, black steel pipe is used in structural applications such as support beams, scaffolding, and handrails. It is also used in the oil and petrochemical industries for transporting petroleum and chemicals where coating needs to be applied for extra protection.
6. What is the difference between Schedule 40 and Schedule 80 carbon steel pipe?
Schedule 40 and Schedule 80 are classifications for pipes that indicate their wall thickness and pressure-bearing capacity, commonly used in plumbing and industrial applications.
| Feature | Schedule 40 | Schedule 80 |
| Wall Thickness | Thinner | Thicker |
| Pressure Rating | Up to 150 psi | Up to 300 psi |
| Applications | Residential plumbing, irrigation | Industrial, chemical processing |
| Cost | Lower | Higher |
